Cardiac systolic includes not only longitudinal, radial, and circumferential, but also lefttwist.
心脏收缩运动不但有纵向运动，径向运动，圆周运动，还有左室的扭转运动。
2
There are strange shapes, such as the front of the Madonna Hall lefttwist Parker, where they stand, straight into the sky, its bark is to the left together to twist to;
也有造型奇特的，如圣母殿前的左扭柏，拔地而起，直冲云霄，它的树皮却一齐向左边拧去；
3
In addition, perhaps left and right-handed snails cannot mate with each other, having incompatible twist directions.